MEDIUM
An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service
Published Jun 15, 2018
6.5
MEDIUMCVSS 3.1
EPSS 1.53%
Description
An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.53% 0.01533
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01533
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.53% (0.01533) | 73.87th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.53% (0.01533) | 73.66th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.23% (0.00226) | 61.30th | v3 (v2023.03.01) |
| Nov 6, 2023 | 0.23% (0.00226) | 60.78th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.32% (0.00319) | 66.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00331) | 66.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01036) | 27.56th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01036) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://github.com/FFmpeg/FFmpeg/commit/6bbef938839adc55e8e048bc9cc2e0fafe2064df x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/e1182fac1afba92a4975917823a5f644bee7e6e8 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://www.debian.org/security/2018/dsa-4249 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/FFmpeg/FFmpeg/commit/6bbef938839adc55e8e048bc9cc2e0fafe2064df | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://github.com/FFmpeg/FFmpeg/commit/e1182fac1afba92a4975917823a5f644bee7e6e8 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://www.debian.org/security/2018/dsa-4249 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 15, 2018
Updated Aug 5, 2024
Reserved Jun 15, 2018
Link CVE-2018-12458
CISA Vulnrichment
Updated n/a